package containers;//: containers/Synchronization.java
// Using the Collections.synchronized methods.

import java.util.*;

public class Synchronization {
    public static void main(String[] args) {

        Collection<String> c = Collections.synchronizedCollection(new ArrayList<String>());

        List<String> list = Collections.synchronizedList(new ArrayList<String>());

        Set<String> s = Collections.synchronizedSet(new HashSet<String>());

        Set<String> ss = Collections.synchronizedSortedSet(new TreeSet<String>());

        Map<String, String> m = Collections.synchronizedMap(new HashMap<String, String>());

        Map<String, String> sm = Collections.synchronizedSortedMap(new TreeMap<String, String>());
        //同步测试下???
    }
} ///:~
